Adjustment Instruction - LG 26LZ5RV-ZC Service Manual

1. Application Object
This instruction is for the application to the LCD TV.
2. Designation
2.1 The adjustment is according to the order which is designated
and which must be followed, according to the plan which can
be changed only on agreeing.
2.2 Power Adjustment : Free Voltage
2.3 Magnetic Field Condition: Nil.
2.4 Input signal Unit : Product specification standard
2.5 Reserve after operation : Above 2 hours
2.6 Adjustment equipments : Pattern Generator(801GF,
MSPG925F), DDC Adjustment Jig equipment HDCP
Adjustment Jig equipment.
3. Adjustments
3.1 Adjustment Details
: The machine can be adjusted by itself automatically with
factory automatic equipment, in case error occurs, set
manual adjustment to standard.
3.2 Adjustment signal Composition of The Auto Adjustment
equipment
3.2.1 RS-232C Interchange
9600bps, Pin#2 : Rx, Pin#3 : Tx, 8bit, STOP bit=1, No
Parity
3.2.2 Adjust data save
* Save the adjusted data to the EEPROM with default
value
ai - 0 - 00
3.2.3 Adjust OK
ak - 0 - 00
3.2.4 Screen Adjustment Instruction Forms
CMD1 CMD2 SetID(0) Value
a. CMD1,CMD2 : Instructions operated by Monitor
b. SetID L 0h Set always 0 in Adjustment
c. VALUE : Adjustment Value
3.3 PC signal Gain/Offset Adjustment
3.3.1 Adjustment Preparation
- Execution of RF no signal during Heat Run over 30min
- Pattern generator signal is connected to the DVI-I Jack
of LCD TV.
3.3.1 Auto Gain/Offset Adjustment .
- To use Pattern Generator(MSPG-925FS), Apply Model
37, Patten 19 ( XGA(1024 X 768)60Hz, Half balck and
Half white signal (Don't apply 16 gray signal)
- Press IN-START Key by using the Remote
Controller(SVC) , after converting to Adjustment-Mode,
press VOL+ Key consecutively in Auto-Gain Menu.
- After adjustment is complete, pressing enter key, stores
and completes the process.
* Note) : PC Adjustment must be completed before auto
adjustment.

ADJUSTMENT INSTRUCTION

3.4 Video signal Gain/Offset Adjustment(Auto adjustment)
- Execution of White Pattern during Heat Run over 30min
- Connect to the LCD TV AV1 Scart input terminal with Patten
Generator(MSPG-925FS)-26LZ5V-ZC
- Connect to the LCD TV AV Input terminal with Patten
Generator (MSPG-925FS)-26LZ5V-TC
- Convert INPUT MODE to Video & Confirm whether PSM
Mode is Standard
- Connect RS-232C Communication Cable to the Auto
Adjustment Equipment and SET's upgrade Port
3.4.1 Low Gray Adjustment
- Apply Gray-Level Gray-Level (Model : 202, pattern : 59)
signal by using Pattern Generator(MSPG-925FS)
- Check weather color-coordinates (x : 0.283, y : 0.298,
±0.005) is operated by using CA-110 equipment-
26LZ5V-ZC
- Check weather color-coordinates (x : 0.270, y : 0.270,
±0.005) is operated by using CA-110 equipment-
26LZ5V-TC
- If color-coordinates is not in Spec, adjust color-
coordinates(x : 0.283, y : 0.298, ±0.005)by adjusting
Red Offset, Blue Offset - 26LZ5V-ZC
- If color-coordinates is not in Spec, adjust color-
coordinates(x : 0.270, y : 0.270, ±0.005)by adjusting
Red Offset, Blue Offset - 26LZ5V-TC
3.4.2 White Balance Adjustment
- Apply Gray-Level Gray-Level (Model : 202, pattern : 59)
signal by using Pattern Generator(MSPG-925FS)
- Check weather color-coordinates (x : 0.283, y : 0.298,
±0.005) is operated by using CA-110 equipment -
26LZ5V-ZC
- Check weather color-coordinates (x : 0.273, y : 0.285,
±0.005) is operated by using CA-110 equipment -
26LZ5V-TC
- If color-coordinates is not in Spec, adjust color-
coordinates( x : 0.283, y : 0.298, ±0.005)by adjusting
Red Offset, Blue Offset- 26LZ5V-ZC
- If color-coordinates is not in Spec, adjust color-
coordinates( x : 0.273, y : 0.285, ±0.005)by adjusting
Red Offset, Blue Offset- 26LZ5V-TC
- All adjustment takes color-coordinates with based on G,
changing R and B. If it is not adjusted, adjust with fixed
B, changing G and R.
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